| All Patents in class 81/384 |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 148,259 | Mar. 03, 1874 | H.C. Stouffer | Pipe Wrenches |
 | 174,142 | Feb. 29, 1876 | C.B. Martin | Improvement in Nut-Crackers |
 | 189,615 | Apr. 17, 1877 | W. Eberhard | Pipe-Wrench |
 | 217,117 | Jul. 01, 1879 | W.B. Killough | Wrench |
 | 388,607 | Aug. 28, 1888 | D.B. Whitehill | Improvement in Pipe Tongs |
 | 401,513 | Apr. 16, 1889 | C. Pomeroy | Wrench |
 | 433,786 | Aug. 05, 1890 | G.W. Hooks | Wrench |
 | 449,627 | Mar. 31, 1891 | M.H. McNair | Pipe Wrench |
 | 562,101 | Jun. 16, 1896 | G.D. Stevens | Pipe Wrench |
 | 567,945 | Sep. 15, 1896 | E.L. Keith | Lock Jaw Wrench |
